Estoy tratando de instalar Django a través del símbolo del sistema. solíapip install Django pero recibí este mensaje:

Collecting Django
  Using cached `Django-2.0.tar.gz`

Salida completa del comandopython setup.py egg_info:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/tmp/pip-build-rcF9a5/Django/setup.py", line 32, in <module>
    version = __import__('django').get_version()
  File "django/__init__.py", line 1, in <module>
    from django.utils.version import get_version
  File "django/utils/version.py", line 61, in <module>
    @functools.lru_cache()
Attribut,eError: 'module' object has no attribute 'lru_cache'

Command **`"python setup.py egg_info"`** failed with error code 1 in **/tmp/pip-build-rcF9a5/Django/**

¿Cómo puedo solucionar esto?